Home / 20,177,221.76-27,845,238-11,010,367.52

Finding the Fourth Proportional to 20,177,221.76, 27,845,238 and 11,010,367.52

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Solution

The fourth proportional to 20,177,221.76, 27,845,238 and 11,010,367.52 is: 15,194,673.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177,221.76 : 27,845,238 = 11,010,367.52 : x
  2. Step 2: Convert to fraction form
    20,177,221.76/27,845,238 = 11,010,367.52/x
  3. Step 3: Cross multiply
    20,177,221.76x = 27,845,238 × 11,010,367.52
  4. Step 4: Simplify right side
    20,177,221.76x = 306,586,304,061,869.75
  5. Step 5: Solve for x
    x = 306,586,304,061,869.75/20,177,221.76
  6. Step 6: Final answer
    x = 15,194,673.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.